<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        body {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background: #000;
        }

        h2 {
            font-size: 6em;
            position: absolute;
            letter-spacing: .2em;
        }

        h2:nth-child(1) {
            -webkit-text-stroke: rgb(13, 13, 87) 2px;
            color: transparent;
        }

        h2:nth-child(2) {
            color: rgb(13, 13, 87);
            animation: bowen 2s infinite ease-in-out alternate;
        }

        @keyframes bowen {
            from {
                clip-path: polygon(0% 50%, 10% 60%, 20% 65%, 25% 67%, 30% 65%, 40% 60%, 50% 50%, 60% 40%, 70% 35%, 75% 33%, 80% 35%, 90% 40%, 100% 50%, 100% 100%, 0% 100%);
            }

            to {
                clip-path: polygon(0% 50%, 10% 40%, 20% 35%, 25% 33%, 30% 35%, 40% 40%, 50% 50%, 60% 60%, 70% 65%, 75% 67%, 80% 65%, 90% 60%, 100% 50%, 100% 100%, 0% 100%);
            }
        }
    </style>
</head>

<body>
    <h2>我是黑大帅</h2>
    <h2>我是黑大帅</h2>
</body>

</html>